This tool clears out your current data sets in RAM. Clearmem (clearmem.exe) ? forces pages out of physical memory and reduces the size of running processes? working sets to a minimum. When you run this tool, the system pauses because of excessive high-priority activity associated with trimming the working sets. To run this tool, your paging file must be at least as large as physical memory. Get it @ XP-Erience.org